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<div class="titlepage"><div><div><h3 class="title">
<a name="spirit_x3.quick_reference.directive"></a><a class="link" href="directive.html" title="Parser Directives">Parser Directives</a>
</h3></div></div></div>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
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</colgroup>
<thead><tr>
<th>
                <p>
                  Expression
                </p>
              </th>
<th>
                <p>
                  Attribute
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">lexeme</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">A</span></code>
                </p>
              </td>
<td>
                <p>
                  Disable skip parsing for <code class="computeroutput"><span class="identifier">a</span></code>,
                  does pre-skipping
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">no_skip</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">A</span></code>
                </p>
              </td>
<td>
                <p>
                  Disable skip parsing for <code class="computeroutput"><span class="identifier">a</span></code>,
                  no pre-skipping
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">no_case</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">A</span></code>
                </p>
              </td>
<td>
                <p>
                  Inhibits case-sensitivity for <code class="computeroutput"><span class="identifier">a</span></code>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">omit</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">Unused</span></code>
                </p>
              </td>
<td>
                <p>
                  Ignores the attribute type of <code class="computeroutput"><span class="identifier">a</span></code>
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">matches</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="keyword">bool</span></code>
                </p>
              </td>
<td>
                <p>
                  Return if the embedded parser <code class="computeroutput"><span class="identifier">a</span></code>
                  matched its input
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">raw</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <a href="../../../../../../../libs/range/doc/html/range/reference/utilities/iterator_range.html" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">iterator_range</span></code></a><code class="computeroutput"><span class="special">&lt;</span><span class="identifier">I</span><span class="special">&gt;</span></code>
                </p>
              </td>
<td>
                <p>
                  Presents the transduction of <code class="computeroutput"><span class="identifier">a</span></code>
                  as an iterator range
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">expect</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">A</span></code>
                </p>
              </td>
<td>
                <p>
                  Throw an exception if parsing <code class="computeroutput"><span class="identifier">a</span></code>
                  fails
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                </p>
              </td>
<td>
                <p>
                  Repeat <code class="computeroutput"><span class="identifier">a</span></code> zero or
                  more times
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">N</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                </p>
              </td>
<td>
                <p>
                  Repeat <code class="computeroutput"><span class="identifier">a</span></code> <code class="computeroutput"><span class="identifier">N</span></code> times
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">N</span><span class="special">,</span>
                  <span class="identifier">M</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                </p>
              </td>
<td>
                <p>
                  Repeat <code class="computeroutput"><span class="identifier">a</span></code> <code class="computeroutput"><span class="identifier">N</span></code> to <code class="computeroutput"><span class="identifier">M</span></code>
                  times
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">N</span><span class="special">,</span>
                  <span class="identifier">inf</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                </p>
              </td>
<td>
                <p>
                  Repeat <code class="computeroutput"><span class="identifier">a</span></code> <code class="computeroutput"><span class="identifier">N</span></code> or more times
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">skip</span></code><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">A</span></code>
                </p>
              </td>
<td>
                <p>
                  Re-establish the skipper that got inhibited by lexeme or no_skip.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">skip</span></code><code class="computeroutput"><span class="special">(</span><span class="identifier">p</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">A</span></code>
                </p>
              </td>
<td>
                <p>
                  Use <code class="computeroutput"><span class="identifier">p</span></code> as a skipper
                  for parsing <code class="computeroutput"><span class="identifier">a</span></code>
                </p>
              </td>
</tr>
</tbody>
</table></div>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2018 Joel de Guzman,
      Hartmut Kaiser<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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